Lots of Bell mediums, bigger than the 169, only had a single hydraulic on the tailrotor, and if you shut Hyd1 off, yes you could still move it slowly with a lot of foot pressure.
malabo - which models? Ones with 2 bladed TRs? I think TR power in these modern aircraft is considerably higher - the 139 for example can deal with a 40 Kts crosswind - I stand by my assertion that manual control isn't possible.